nightly/audit: Temporary ignore RUSTSEC-2024-0006

shlex is currently only being brought by bindgen, which does not use
the concerning APIs except for testing.

This needs spiffe to be upgraded to be finally be resolved, which
will not happen now.

Signed-off-by: Tomás González <[email protected]>

Author: tgonzalezorlandoarm

.github/workflows/nightly.yml

@@ -44,4 +44,4 @@ jobs:
       - name: Install cargo audit
         run: cargo install cargo-audit
       - name: Execute cargo audit
-        run: cargo audit
+        run: cargo audit --ignore RUSTSEC-2024-0006